Machine for foaming refrigerator cavities

- Con-Tek Machine, Inc.
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front elevational view of a machine for foaming refrigerator cavities showing the new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a rear plan view thereof;

FIG. 4 is a left side view thereof; and,

FIG. 5 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D189319 November 1960 Verderber
3298656 January 1967 Zastrow
3353782 November 1967 Zastrow
3380703 April 1968 Zastrow
4544340 October 1, 1985 Hehl
4664614 May 12, 1987 De Rossi
4691906 September 8, 1987 Zastrow
Patent History
Patent number: D341601
Type: Grant
Filed: May 8, 1990
Date of Patent: Nov 23, 1993
Assignee: Con-Tek Machine, Inc. (St. Paul, MN)
Inventor: Darrell N. Johnson (White Bear Lake, MN)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Moore & Hansen
Application Number: 7/520,397
Classifications
Current U.S. Class: Molding Or Casting (D15/135)